Publications by authors named "Ruth Hearn"

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Detection of counterfeit antiviral drug Heptodin and classification of counterfeits using isotope amount ratio measurements by multicollector inductively coupled plasma mass spectrometry (MC-ICPMS) and isotope ratio mass spectrometry (IRMS).
Rebeca Santamaria-Fernandez, Ruth Hearn, Jean-Claude Wolff

Sci Justice· June 2009

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Measurement of longitudinal sulfur isotopic variations by laser ablation MC-ICP-MS in single human hair strands.
Rebeca Santamaria-Fernandez, Justo Giner Martínez-Sierra, J M Marchante-Gayón, J Ignacio García-Alonso, Ruth Hearn

Anal Bioanal Chem· May 2009

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Study of the effect of sample preparation and cooking on the selenium speciation of selenized potatoes by HPLC with ICP-MS and electrospray ionization MS/MS.
Heidi Goenaga Infante, Ana Arias Borrego, Emma Peachey, Ruth Hearn, Gavin O'Connor

J Agric Food Chem· January 2009

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Precise and traceable (13)C/(12)C isotope amount ratios by multicollector ICPMS.
Rebeca Santamaria-Fernandez, David Carter, Ruth Hearn

Anal Chem· August 2008

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Systematic comparison of delta34S measurements by multicollector inductively coupled plasma mass spectrometry and evaluation of full uncertainty budget using two different metrological approaches.
Rebeca Santamaria-Fernandez, Ruth Hearn

Rapid Commun Mass Spectrom· April 2008

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Isotope dilution quantification of ultratrace gamma-glutamyl-Se-methylselenocysteine species using HPLC with enhanced ICP-MS detection by ultrasonic nebulisation or carbon-loaded plasma.
Heidi Goenaga Infante, María del Carmen Ovejero Bendito, Carmen Cámara, Linda Evans, Ruth Hearn

Anal Bioanal Chem· April 2008

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Induction and metal speciation of metallothionein in wood mice (Apodemus sylvaticus) along a metal pollution gradient.
Damien Rogival, Karen Van Campenhout, Heidi Goenaga Infante, Ruth Hearn, Jan Scheirs

Environ Toxicol Chem· March 2007

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Current mass spectrometry strategies for selenium speciation in dietary sources of high-selenium.
Heidi Goenaga Infante, Ruth Hearn, Tim Catterick

Anal Bioanal Chem· June 2005

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A comparison of double-focusing sector field ICP-MS, ICP-OES and octopole collision cell ICP-MS for the high-accuracy determination of calcium in human serum.
Lorna A Simpson, Ruth Hearn, Sheila Merson, Tim Catterick

Talanta· February 2005

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